The Beats Solo4 got some audio upgrades, but they retain what makes the line great. Right now, the headphones and the Power Adapter bundle are on sale at Amazon.

The best tech products announced this week include Marshall's reimagined amplifiers, LG's next-gen TVs and Klipsch's affordable soundbar.

In the last 20 years or so, wireless headphones have evolved from expensive, niche products to the norm. These days, a ...

Learn moreChoosing an affordable pair of headphones doesn't have to mean settling for poor sound quality or sacrificing key ...